SA-403/SA-403M
SA-403/SA-403M Standard Specification for ... 4. Grade WP fittings ordered as Class WU shall meet the requirements of ASME B16.9 and shall have all welds, whether made by the fitting manufacturer or the ... WP304 CR304 S30400 1900 [1040] water or other rapid cool WP304L CR304L S30403 1900 [1040] water or other rapid cool ...